Home / 638,788.06-958,846.70-470,498.41

Finding the Fourth Proportional to 638,788.06, 958,846.70 and 470,498.41

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Solution

The fourth proportional to 638,788.06, 958,846.70 and 470,498.41 is: 706,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,788.06 : 958,846.70 = 470,498.41 : x
  2. Step 2: Convert to fraction form
    638,788.06/958,846.70 = 470,498.41/x
  3. Step 3: Cross multiply
    638,788.06x = 958,846.70 × 470,498.41
  4. Step 4: Simplify right side
    638,788.06x = 451,135,847,783.75
  5. Step 5: Solve for x
    x = 451,135,847,783.75/638,788.06
  6. Step 6: Final answer
    x = 706,237.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.